breakdeps/mmfclienttoneplayer.h
changeset 127 a2070821d450
child 128 8338c5c25b5b
equal deleted inserted replaced
120:052d4b8fc4fd 127:a2070821d450
       
     1 // Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 
       
    17 #ifndef __MMFCLIENTTONEPLAY_H__
       
    18 #define __MMFCLIENTTONEPLAY_H__
       
    19 
       
    20 
       
    21 #include <e32std.h>
       
    22 #include <e32base.h>
       
    23 #include <mdaaudiotoneplayer.h>
       
    24 #include <mmf/server/sounddevice.h>
       
    25 //Panic category and codes
       
    26 _LIT(KMMFMdaAudioToneUtilityPanicCategory, "MMFMdaAudioToneUtility");
       
    27 enum TMMFMdaAudioToneUtilityPanicCodes
       
    28 	{
       
    29 	EMMFMdaAudioToneUtilityAlreadyPrepared,
       
    30 	EMMFMdaAudioToneUtilityBadToneConfig,
       
    31 	EMMFMdaAudioToneUtilityBadMixinCall
       
    32 	};
       
    33 
       
    34 /**
       
    35 Active object utility class to allow the callback to be called asynchronously.
       
    36 This should help prevent re-entrant code in clients of the mediaframework.
       
    37 */
       
    38 class CMMFMdaAudioToneObserverCallback : public CActive, public MMdaAudioToneObserver, public MMdaAudioTonePlayStartObserver
       
    39 	{
       
    40 public:
       
    41 	static CMMFMdaAudioToneObserverCallback* NewL(MMdaAudioToneObserver& aCallback, MMdaAudioTonePlayStartObserver& aPlayStartCallback);
       
    42 	~CMMFMdaAudioToneObserverCallback();
       
    43 // From MMdaAudioToneObserver
       
    44 	virtual void MatoPrepareComplete(TInt aError);
       
    45 	virtual void MatoPlayComplete(TInt aError);
       
    46 // From MMdaAudioTonePlayStartObserver
       
    47 	virtual void MatoPlayStarted(TInt aError);
       
    48 private:
       
    49 	CMMFMdaAudioToneObserverCallback(MMdaAudioToneObserver& aCallback, MMdaAudioTonePlayStartObserver& aPlayStartCallback);
       
    50 	void RunL();
       
    51 	void DoCancel();
       
    52 private:
       
    53 	enum TMMFAudioToneObserverCallbackAction {EPrepareComplete, EPlayComplete, EPlayStarted};
       
    54 	MMdaAudioToneObserver& iCallback;
       
    55 	MMdaAudioTonePlayStartObserver& iPlayStartCallback; 
       
    56 	TMMFAudioToneObserverCallbackAction iAction;
       
    57 	TInt iErrorCode;
       
    58 	};
       
    59 
       
    60 class CMMFToneConfig;
       
    61 
       
    62 /**
       
    63 Timer class used instead of actual CMMFDevSound - the interface isn't the same either!
       
    64 */
       
    65 NONSHARABLE_CLASS( CDummyDevSound ) : public CTimer
       
    66 	{
       
    67 	public:
       
    68 	static CDummyDevSound* NewL();
       
    69 	
       
    70 	void InitializeL(MDevSoundObserver& aDevSoundObserver);
       
    71 	void RunL();
       
    72 	void Play(const TTimeIntervalMicroSeconds& aDuration);
       
    73 	
       
    74 	private:
       
    75 	CDummyDevSound();
       
    76 
       
    77 	private:
       
    78 	MDevSoundObserver* iObserver;
       
    79 	};
       
    80 
       
    81 /**
       
    82 Concrete implementation of the CMdaAudioToneUtility API.
       
    83 @see CMdaAudioToneUtility
       
    84 */
       
    85 class CMMFMdaAudioToneUtility;
       
    86 NONSHARABLE_CLASS( CMMFMdaAudioToneUtility ): public CBase,
       
    87 											  public MMdaAudioToneObserver,
       
    88 											  public MDevSoundObserver, 
       
    89 											  public MMdaAudioTonePlayStartObserver
       
    90 	{
       
    91 friend class CMdaAudioToneUtility;
       
    92 // only for testing purposes
       
    93 friend class CTestStepUnitMMFAudClient;
       
    94 
       
    95 public:
       
    96 	static CMMFMdaAudioToneUtility* NewL(MMdaAudioToneObserver& aObserver, CMdaServer* aServer = NULL,
       
    97 											   TInt aPriority = EMdaPriorityNormal, 
       
    98 											   TInt aPref = EMdaPriorityPreferenceTimeAndQuality);
       
    99 
       
   100 	~CMMFMdaAudioToneUtility();
       
   101 	
       
   102 	TMdaAudioToneUtilityState State();
       
   103 	TInt MaxVolume();
       
   104 	TInt Volume();
       
   105 	void SetVolume(TInt aVolume); 
       
   106 	void SetPriority(TInt aPriority, TInt aPref);
       
   107 	void SetDTMFLengths(TTimeIntervalMicroSeconds32 aToneLength, 
       
   108 										 TTimeIntervalMicroSeconds32 aToneOffLength,
       
   109 										 TTimeIntervalMicroSeconds32 aPauseLength);
       
   110 	void SetRepeats(TInt aRepeatNumberOfTimes, const TTimeIntervalMicroSeconds& aTrailingSilence);
       
   111 	void SetVolumeRamp(const TTimeIntervalMicroSeconds& aRampDuration);
       
   112 	TInt FixedSequenceCount();
       
   113 	const TDesC& FixedSequenceName(TInt aSequenceNumber);
       
   114 	void PrepareToPlayTone(TInt aFrequency, const TTimeIntervalMicroSeconds& aDuration);
       
   115 	void PrepareToPlayDualTone(TInt aFrequencyOne, TInt aFrequencyTwo, const TTimeIntervalMicroSeconds& aDuration);
       
   116 	void PrepareToPlayDTMFString(const TDesC& aDTMF);
       
   117 	void PrepareToPlayDesSequence(const TDesC8& aSequence);
       
   118 	void PrepareToPlayFileSequence(const TDesC& aFileName);
       
   119 	void PrepareToPlayFileSequence(RFile& aFile);
       
   120 	void PrepareToPlayFixedSequence(TInt aSequenceNumber);
       
   121 	void CancelPrepare();
       
   122 	void Play();
       
   123 	void CancelPlay();
       
   124 	TInt Pause();
       
   125 	TInt Resume();
       
   126 
       
   127 	void SetBalanceL(TInt aBalance=KMMFBalanceCenter);
       
   128 	TInt GetBalanceL();
       
   129 // From MMdaAudioToneObserver
       
   130 	void MatoPrepareComplete(TInt aError);
       
   131 	void MatoPlayComplete(TInt aError);
       
   132 
       
   133 // From DevSoundObserver
       
   134 	void InitializeComplete(TInt aError);
       
   135 	void ToneFinished(TInt aError); 
       
   136 	void BufferToBeFilled(CMMFBuffer* /*aBuffer*/) {User::Panic(KMMFMdaAudioToneUtilityPanicCategory,EMMFMdaAudioToneUtilityBadMixinCall);}
       
   137 	void PlayError(TInt /*aError*/)	{User::Panic(KMMFMdaAudioToneUtilityPanicCategory,EMMFMdaAudioToneUtilityBadMixinCall);}
       
   138 	void BufferToBeEmptied(CMMFBuffer* /*aBuffer*/)	{User::Panic(KMMFMdaAudioToneUtilityPanicCategory,EMMFMdaAudioToneUtilityBadMixinCall);} 
       
   139 	void RecordError(TInt /*aError*/)	{User::Panic(KMMFMdaAudioToneUtilityPanicCategory,EMMFMdaAudioToneUtilityBadMixinCall);}
       
   140 	void ConvertError(TInt /*aError*/)  {User::Panic(KMMFMdaAudioToneUtilityPanicCategory,EMMFMdaAudioToneUtilityBadMixinCall);}
       
   141 	void DeviceMessage(TUid /*aMessageId*/, const TDesC8& /*aMsg*/) {User::Panic(KMMFMdaAudioToneUtilityPanicCategory,EMMFMdaAudioToneUtilityBadMixinCall);}	
       
   142 	void SendEventToClient(const TMMFEvent& /*aEvent*/);
       
   143 	
       
   144 	TAny* CustomInterface(TUid aInterfaceId);
       
   145 	
       
   146 	void PlayAfterInitialized();
       
   147 
       
   148 	void RegisterPlayStartCallback(MMdaAudioTonePlayStartObserver& aObserver);
       
   149 
       
   150 // From MMdaAudioTonePlayStartObserver
       
   151 	void MatoPlayStarted(TInt aError);
       
   152 	
       
   153 protected:
       
   154 	CMMFMdaAudioToneUtility(MMdaAudioToneObserver& aCallback, TInt aPriority, TInt aPref);
       
   155 	void ConstructL();
       
   156 private:
       
   157 	// functions to convert between MediaServer Balance and SoundDev balance
       
   158 	void CalculateBalance( TInt& aBalance, TInt aLeft, TInt aRight ) const;
       
   159 	void CalculateLeftRightBalance( TInt& aLeft, TInt& aRight, TInt aBalance ) const;
       
   160 	
       
   161 private:
       
   162 	CDummyDevSound* iTimer;
       
   163 	MMdaAudioToneObserver& iCallback;
       
   164 	CMMFMdaAudioToneObserverCallback* iAsyncCallback;
       
   165 
       
   166 	TMdaAudioToneUtilityState iState;
       
   167 
       
   168 	TMMFPrioritySettings iPrioritySettings;
       
   169 	
       
   170 	TInt iInitializeState;   
       
   171 	
       
   172 	TInt iSequenceNumber;
       
   173 	TBool iPlayCalled;
       
   174 	
       
   175 	TBool iInitialized;
       
   176 	
       
   177 	MMdaAudioTonePlayStartObserver* iPlayStartObserver;
       
   178 	
       
   179 #ifdef _DEBUG
       
   180 	TBool iPlayCalledBeforeInitialized;
       
   181 #endif
       
   182 
       
   183   TInt iDevSoundVolume;
       
   184   TInt iDevSoundBalance;
       
   185 	TTimeIntervalMicroSeconds iDuration;
       
   186 	};
       
   187 
       
   188 
       
   189 #endif